lbPost-Lab 9 - the molarity oF this solution. The K a For...

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burgin (lcb626) – Post-Lab 9 – anderson – (53245) 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 4.0 points Calculate the pH oF a 0.180 M benzoic acid so- lution, C 6 H 5 COOH. The K a For C 6 H 5 COOH is 6.46 × 10 - 5 . 002 4.0 points Calculate the pH oF a 0.180 M benzoic acid solution aFter 200.0 ml oF 0.450 M sodium benzoate, C 6 H 5 COONa, is added to 600.0 ml oF C 6 H 5 COOH. 003 4.0 points The pH oF a solution oF hypochlorous acid, HClO, was measured to be 3.89. Calculate
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Unformatted text preview: the molarity oF this solution. The K a For HClO is 3.0 10-8 . Answer in units oF M. 004 4.0 points A solution made by mixing 45.0 ml oF 0.360 M propionic acid, CH 3 CH 2 COOH, and 10.0 ml oF 1.40 M sodium propionate, CH 3 CH 2 COONa, has a pH oF 3.81. Calculate the corresponding value oF K a For propionic acid. Your answer must be within 5.0% 005 4.0 points Calculate the pH oF the solution From Problem 4 aFter 5.00 ml oF 1.85 M NaOH is added to it. Your answer must be within 5.0%...
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